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Mercury 90 HP EFI Command Thrust Fourstroke - Unbridled power, unexpectedly compact, uncompromising reliability, unbelievable fuel efficiency. Unlike any other mid-range Fourstroke the world has ever seen.

HP / kW
  • 90 / 67
Engine type
  • 8-valve single overhead cam (SOHC)
  • Inline 4
Displacement (L)
  • 2.1
Full throttle RPM
  • 5000-6000
Air induction
  • Performance-Tuned Scroll Intake Manifold
Fuel induction system
  • Computer Controlled Multi-Port Electronic Fuel Injection (EFI)
Alternator amp / Watt
  • 35 amp / 441 watt with water-cooled voltage regulator
Recommended fuel
  • Unleaded 91 RON Minimum
Recommended oil
  • Mercury FourStroke Oil 10W-30
Engine protection operator warning system
  • SmartCraft Engine Guardian
Compatible with SmartCraft digital technology
  • Yes
Starting
  • Smart Start Electric
Controls
  • Mechanical throttle & shift
Steering
  • Big Tiller Compatible
  • Dual Cable Mechanical
  • Hydraulic power steering
Shaft length
  • 20" / 508 mm
  • 25" / 635 mm
Gearcase ratio
  • 2.38:1
Dry weight *Lightest model available
  • 363 lbs / 165 kg
Emissions Star Rating
  • 3
Bore and stroke
  • 3.5 x 3.2" / 90 x 81 mm
Ignition
  • SmartCraft ECM 70 Digital Inductive
Fuel system
  • Electronic Fuel Injection (EFI)
Cooling system
  • Water-cooled with thermostat
Gear shift
  • F-N-R
Gearcase options
  • Command Thrust
Trim system
  • Power Tilt
  • Power Trim
Exhaust system
  • Through prop
Shallow water trim range (degrees)
  • 20
Counter rotation
  • Available
Color
  • Phantom Black
Lubrication system
  • Integrated Dry Sump
Oil Capacity
  • 5.5 qts / 5.2 l
Maximum Trim Range
  • 22° (-6° to 16°)
Maximum Tilt Range
  • 70° (-6° to 64°)

 

Specification

Horse Power (hp)
  • 90

Engine 1

Engine Make Mercury
Horse Power 90
Stroke 4-Stroke